Abstract:Electronic Business is a new kind of economic activity under the conditions of informatization, the proportion in modern economic activities is increasing, the influence on economic and social development is more far-reaching, and it has become a strategic industry to promote the industrial transformation and upgrade and innovation-driven development. On the basis of literature, investigation and empirical, using principal component analysis, this paper constructs the core index of the measurement of Electronic Business development level in Beijing by using principal component analysis, and evaluates the level of Electronic Business in Beijing. At the same time, from the perspective of quantitative and qualitative, the structural equation model is used to empirically examine the influence of the core elements of E-business on the industrial structure of Beijing. This paper analyzes the conductive effect of the core elements of E-business on the industrial structure of Beijing from a quantitative perspective. Finally, the paper puts forward the policy suggestions for further promoting the development of industrial structure.